Sleeping enclosure



FIG. 1 is a front, top and right side isometric view of a sleepingenclosure showing our new design, with the inside bottom paddingpartially shown in FIG. 1 being continuous on the bottom; and

FIG. 2 is a rear, bottom and left side isometric view showing our newdesign.

The ornamental design for a sleeping enclosure, substantially as shownand described.